The highest day temperature in August 2026 was 86°F. The lowest night temperature was 52°F. The average values for day and night temperatures during August were 74.6°F и 59.6°F respectivly.

The average sea surface temperature in August 2026 for Marquette was 67.6°F. The maximum and minimum values were 65.6°F and 69.2°F respectively.

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation total in August for Marquette is 1.1 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 7.5 mph. It makes August one of the most windless months of the year for Marquette.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Marquette in August is 8.7 hours.